Changed the management of the wireless interfaces, from creation to usage.

The virtual interfaces are created at the startup of the wtp to reduce the time
required to configure a wireless interface.
Applied some patches to build the WTP on OpenWRT trunk
This commit is contained in:
vemax78
2014-02-08 18:03:38 +01:00
parent 64a8bdfa1e
commit 025880583c
21 changed files with 1468 additions and 744 deletions

View File

@ -12,6 +12,7 @@
/* Global values */
#define IEEE80211_MTU 2304
#define IEEE80211_SUPPORTEDRATE_MAX_COUNT 16
#define IEEE80211_MAX_STATIONS 2007
/* Radio type with value same of IEEE802.11 Radio Information Message Element */
#define IEEE80211_RADIO_TYPE_80211B 0x00000001

View File

@ -0,0 +1,156 @@
#include "capwap.h"
#include <linux/socket.h>
#include "wifi_drivers.h"
#include "netlink_link.h"
/* */
struct netlink_request {
struct nlmsghdr hdr;
struct ifinfomsg ifinfo;
char opts[16];
};
/* */
struct netlink* netlink_init(void) {
int sock;
struct sockaddr_nl local;
struct netlink* netlinkhandle;
/* Create netlink socket */
sock = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock < 0) {
return NULL;
}
/* Bind to kernel */
memset(&local, 0, sizeof(struct sockaddr_nl));
local.nl_family = AF_NETLINK;
local.nl_groups = RTMGRP_LINK;
if (bind(sock, (struct sockaddr*)&local, sizeof(struct sockaddr_nl)) < 0) {
close(sock);
return NULL;
}
/* Netlink reference */
netlinkhandle = (struct netlink*)capwap_alloc(sizeof(struct netlink));
netlinkhandle->sock = sock;
netlinkhandle->nl_sequence = 1;
return netlinkhandle;
}
/* */
void netlink_free(struct netlink* netlinkhandle) {
ASSERT(netlinkhandle != NULL);
ASSERT(netlinkhandle->sock >= 0);
/* */
close(netlinkhandle->sock);
capwap_free(netlinkhandle);
}
/* */
void netlink_event_receive(int fd, void** params, int paramscount) {
int result;
struct netlink* netlinkhandle;
struct sockaddr_nl from;
socklen_t fromlen;
char buffer[8192];
struct nlmsghdr* message;
ASSERT(fd >= 0);
ASSERT(params != NULL);
ASSERT(paramscount == 2);
/* */
netlinkhandle = (struct netlink*)params[0];
/* Retrieve all netlink message */
for (;;) {
/* Get message */
fromlen = sizeof(struct sockaddr_nl);
result = recvfrom(netlinkhandle->sock, buffer, sizeof(buffer), MSG_DONTWAIT, (struct sockaddr*)&from, &fromlen);
if (result <= 0) {
if (errno == EINTR) {
continue;
}
/* */
break;
}
/* Parsing message */
message = (struct nlmsghdr*)buffer;
while (NLMSG_OK(message, result)) {
switch (message->nlmsg_type) {
case RTM_NEWLINK: {
if (netlinkhandle->newlink_event && NLMSG_PAYLOAD(message, 0) >= sizeof(struct ifinfomsg)) {
netlinkhandle->newlink_event((wifi_global_handle)params[1], NLMSG_DATA(message), (uint8_t*)(NLMSG_DATA(message) + NLMSG_ALIGN(sizeof(struct ifinfomsg))), NLMSG_PAYLOAD(message, sizeof(struct ifinfomsg)));
}
break;
}
case RTM_DELLINK: {
if (netlinkhandle->dellink_event && NLMSG_PAYLOAD(message, 0) >= sizeof(struct ifinfomsg)) {
netlinkhandle->dellink_event((wifi_global_handle)params[1], NLMSG_DATA(message), (uint8_t*)(NLMSG_DATA(message) + NLMSG_ALIGN(sizeof(struct ifinfomsg))), NLMSG_PAYLOAD(message, sizeof(struct ifinfomsg)));
}
break;
}
}
/* */
message = NLMSG_NEXT(message, result);
}
}
}
int netlink_set_link_status(struct netlink* netlinkhandle, int ifindex, int linkmode, int operstate) {
char* data;
struct rtattr* rta;
struct netlink_request request;
ASSERT(netlinkhandle != NULL);
ASSERT(ifindex >= 0);
/* */
memset(&request, 0, sizeof(struct netlink_request));
request.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
request.hdr.nlmsg_type = RTM_SETLINK;
request.hdr.nlmsg_flags = NLM_F_REQUEST;
request.hdr.nlmsg_seq = netlinkhandle->nl_sequence++;
request.hdr.nlmsg_pid = 0;
request.ifinfo.ifi_family = AF_UNSPEC;
request.ifinfo.ifi_type = 0;
request.ifinfo.ifi_index = ifindex;
request.ifinfo.ifi_flags = 0;
request.ifinfo.ifi_change = 0;
if (linkmode != -1) {
rta = (struct rtattr*)((char*)&request + NLMSG_ALIGN(request.hdr.nlmsg_len));
rta->rta_type = IFLA_LINKMODE;
rta->rta_len = RTA_LENGTH(sizeof(char));
data = (char*)RTA_DATA(rta);
*data = (char)linkmode;
request.hdr.nlmsg_len = NLMSG_ALIGN(request.hdr.nlmsg_len) + RTA_LENGTH(sizeof(char));
}
if (operstate != -1) {
rta = (struct rtattr*)((char*)&request + NLMSG_ALIGN(request.hdr.nlmsg_len));
rta->rta_type = IFLA_OPERSTATE;
rta->rta_len = RTA_LENGTH(sizeof(char));
data = (char*)RTA_DATA(rta);
*data = (char)operstate;
request.hdr.nlmsg_len = NLMSG_ALIGN(request.hdr.nlmsg_len) + RTA_LENGTH(sizeof(char));
}
/* Send new interface operation state */
if (send(netlinkhandle->sock, &request, request.hdr.nlmsg_len, 0) < 0) {
capwap_logging_debug("*** netlink_set_link_status error");
return -1;
}
capwap_logging_debug("*** netlink_set_link_status complete");
return 0;
}

View File

@ -0,0 +1,59 @@
#ifndef __NETLINK_LINK_HEADER__
#define __NETLINK_LINK_HEADER__
#include <linux/rtnetlink.h>
#include <linux/netlink.h>
/* */
#ifndef IFLA_IFNAME
#define IFLA_IFNAME 3
#endif
#ifndef IFLA_WIRELESS
#define IFLA_WIRELESS 11
#endif
#ifndef IFLA_OPERSTATE
#define IFLA_OPERSTATE 16
#endif
#ifndef IFLA_LINKMODE
#define IFLA_LINKMODE 17
#endif
#ifndef IF_OPER_DORMANT
#define IF_OPER_DORMANT 5
#endif
#ifndef IF_OPER_UP
#define IF_OPER_UP 6
#endif
#ifndef IFF_LOWER_UP
#define IFF_LOWER_UP 0x10000
#endif
#ifndef IFF_DORMANT
#define IFF_DORMANT 0x20000
#endif
/* */
struct netlink {
int sock;
void (*newlink_event)(wifi_global_handle handle, struct ifinfomsg* infomsg, uint8_t* data, int length);
void (*dellink_event)(wifi_global_handle handle, struct ifinfomsg* infomsg, uint8_t* data, int length);
int nl_sequence;
};
/* */
struct netlink* netlink_init(void);
void netlink_free(struct netlink* netlinkhandle);
/* */
int netlink_set_link_status(struct netlink* netlinkhandle, int ifindex, int linkmode, int operstate);
/* */
void netlink_event_receive(int fd, void** params, int paramscount);
#endif /* __NETLINK_LINK_HEADER__ */

View File

@ -1,7 +1,6 @@
#include "capwap.h"
#include "capwap_array.h"
#include "capwap_list.h"
#include "capwap_element.h"
#include "wtp_radio.h"
#include "wifi_drivers.h"
/* Declare enable wifi driver */
@ -17,276 +16,25 @@ static struct wifi_driver_instance wifi_driver[] = {
};
/* Radio instance */
static struct capwap_array* g_wifidevice = NULL;
static struct capwap_list* g_wifidevice = NULL;
/* */
int wifi_driver_init(void) {
int i;
for (i = 0; wifi_driver[i].ops != NULL; i++) {
/* Initialize driver */
ASSERT(wifi_driver[i].ops->global_init != NULL);
wifi_driver[i].handle = wifi_driver[i].ops->global_init();
if (!wifi_driver[i].handle) {
return -1;
}
}
/* Device handler */
g_wifidevice = capwap_array_create(sizeof(struct wifi_device), 0, 1);
return 0;
}
/* */
void wifi_driver_free(void) {
unsigned long i;
unsigned long j;
/* Free device */
if (g_wifidevice) {
for (i = 0; i < g_wifidevice->count; i++) {
struct wifi_device* device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, i);
if (device->wlan) {
if (device->instance->ops->wlan_delete != NULL) {
for (j = 0; j < device->wlan->count; j++) {
struct wifi_wlan* wlan = (struct wifi_wlan*)capwap_array_get_item_pointer(device->wlan, j);
if (wlan->handle) {
device->instance->ops->wlan_delete(wlan->handle);
}
}
}
capwap_array_free(device->wlan);
}
if (device->handle && device->instance->ops->device_deinit) {
device->instance->ops->device_deinit(device->handle);
}
}
capwap_array_free(g_wifidevice);
}
/* Free driver */
for (i = 0; wifi_driver[i].ops != NULL; i++) {
if (wifi_driver[i].ops->global_deinit) {
wifi_driver[i].ops->global_deinit(wifi_driver[i].handle);
}
}
}
/* */
int wifi_event_getfd(struct pollfd* fds, struct wifi_event* events, int count) {
int i, j;
int result = 0;
if ((count > 0) && (!fds || !events)) {
return -1;
}
/* Get from driver */
for (i = 0; wifi_driver[i].ops != NULL; i++) {
if (wifi_driver[i].ops->global_getfdevent) {
result += wifi_driver[i].ops->global_getfdevent(wifi_driver[i].handle, (count ? &fds[result] : NULL), (count ? &events[result] : NULL));
}
}
/* Get from device */
for (i = 0; i < g_wifidevice->count; i++) {
struct wifi_device* device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, i);
if (device->handle) {
if (device->instance->ops->device_getfdevent) {
result += device->instance->ops->device_getfdevent(device->handle, (count ? &fds[result] : NULL), (count ? &events[result] : NULL));
}
/* Get from wlan */
if (device->instance->ops->wlan_getfdevent) {
for (j = 0; j < device->wlan->count; j++) {
struct wifi_wlan* wlan = (struct wifi_wlan*)capwap_array_get_item_pointer(device->wlan, j);
if (wlan->handle) {
result += device->instance->ops->wlan_getfdevent(wlan->handle, (count ? &fds[result] : NULL), (count ? &events[result] : NULL));
}
}
}
}
}
return result;
}
/* */
int wifi_device_connect(int radioid, const char* ifname, const char* driver) {
int i;
int length;
int result = -1;
ASSERT(radioid > 0);
ASSERT(ifname != NULL);
ASSERT(driver != NULL);
/* Check */
length = strlen(ifname);
if ((length <= 0) || (length >= IFNAMSIZ)) {
capwap_logging_warning("Wifi device name error: %s", ifname);
return -1;
} else if (g_wifidevice->count >= radioid) {
struct wifi_device* device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, radioid);
if (device->handle) {
capwap_logging_warning("Wifi device RadioID already used: %d", radioid);
return -1;
}
}
/* Search driver */
for (i = 0; wifi_driver[i].ops != NULL; i++) {
if (!strcmp(driver, wifi_driver[i].ops->name)) {
wifi_device_handle devicehandle;
struct device_init_params params = {
.ifname = ifname
};
/* Device init */
ASSERT(wifi_driver[i].ops->device_init);
devicehandle = wifi_driver[i].ops->device_init(wifi_driver[i].handle, &params);
if (devicehandle) {
/* Register new device */
struct wifi_device* device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, radioid);
device->handle = devicehandle;
device->instance = &wifi_driver[i];
device->wlan = capwap_array_create(sizeof(struct wifi_wlan), 0, 1);
result = 0;
}
break;
}
}
return result;
}
/* */
static struct wifi_device* wifi_device_getdevice(int radioid) {
struct wifi_device* device;
ASSERT(radioid > 0);
if (g_wifidevice->count < radioid) {
return NULL;
}
/* Get radio connection */
device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, radioid);
if (!device->handle) {
return NULL;
}
return device;
}
/* */
static struct wifi_wlan* wifi_wlan_getdevice(int radioid, int wlanid) {
struct wifi_device* device;
ASSERT(radioid > 0);
ASSERT(wlanid > 0);
if (g_wifidevice->count < radioid) {
return NULL;
}
/* Get radio connection */
device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, radioid);
if (!device->handle || (device->wlan->count < wlanid)) {
return NULL;
}
/* */
if (device->wlan->count < wlanid) {
return NULL;
}
/* Return wlan connection */
return (struct wifi_wlan*)capwap_array_get_item_pointer(device->wlan, wlanid);
}
/* */
int wifi_wlan_create(int radioid, int wlanid, const char* ifname, uint8_t* bssid) {
int length;
struct wifi_device* device;
struct wifi_wlan* wlan;
wifi_wlan_handle wlanhandle;
struct wlan_init_params params;
ASSERT(radioid > 0);
ASSERT(wlanid > 0);
ASSERT(ifname != NULL);
//ASSERT(bssid != NULL);
/* Check */
length = strlen(ifname);
if ((length <= 0) || (length >= IFNAMSIZ)) {
capwap_logging_warning("Wifi device name error: %s", ifname);
return -1;
} else if (g_wifidevice->count < radioid) {
capwap_logging_warning("Wifi device RadioID %d is not connected", radioid);
return -1;
}
/* Get radio connection */
device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, radioid);
if (!device->handle) {
capwap_logging_warning("Wifi device RadioID %d is not connected", radioid);
return -1;
} else if (device->wlan->count >= wlanid) {
wlan = (struct wifi_wlan*)capwap_array_get_item_pointer(device->wlan, wlanid);
if (wlan->handle) {
capwap_logging_warning("WLAN interface already used: %d", wlanid);
return -1;
}
} else if (!device->instance->ops->wlan_create) {
capwap_logging_warning("%s library don't support wlan_create", device->instance->ops->name);
return -1;
}
/* Create interface */
params.ifname = ifname;
params.type = WLAN_INTERFACE_AP;
wlanhandle = device->instance->ops->wlan_create(device->handle, &params);
if (!wlanhandle) {
capwap_logging_warning("Unable to create virtual interface: %s", ifname);
return -1;
}
/* */
wlan = (struct wifi_wlan*)capwap_array_get_item_pointer(device->wlan, wlanid);
wlan->handle = wlanhandle;
wlan->device = device;
return 0;
}
/* */
static void wifi_wlan_getrates(struct wifi_device* device, struct wtp_radio* radio, struct device_setrates_params* device_params) {
static void wifi_wlan_getrates(struct wifi_device* device, uint8_t* rates, int ratescount, struct device_setrates_params* device_params) {
int i, j, w;
int radiotype;
uint32_t mode = 0;
const struct wifi_capability* capability;
ASSERT(device != NULL);
ASSERT(radio != NULL);
ASSERT(radio->rateset.ratesetcount > 0);
ASSERT(rates != NULL);
ASSERT(ratescount > 0);
ASSERT(device_params != NULL);
/* */
memset(device_params, 0, sizeof(struct device_setrates_params));
/* Retrieve capability */
capability = wifi_device_getcapability(radio->radioid);
capability = wifi_device_getcapability(device);
if (!capability) {
return;
}
@ -298,19 +46,19 @@ static void wifi_wlan_getrates(struct wifi_device* device, struct wtp_radio* rad
}
/* Check type of rate mode */
for (i = 0; i < radio->rateset.ratesetcount; i++) {
for (i = 0; i < ratescount; i++) {
if (device->currentfreq.band == WIFI_BAND_2GHZ) {
if (IS_IEEE80211_RATE_B(radio->rateset.rateset[i])) {
if (IS_IEEE80211_RATE_B(rates[i])) {
mode |= CAPWAP_RADIO_TYPE_80211B;
} else if (IS_IEEE80211_RATE_G(radio->rateset.rateset[i])) {
} else if (IS_IEEE80211_RATE_G(rates[i])) {
mode |= CAPWAP_RADIO_TYPE_80211G;
} else if (IS_IEEE80211_RATE_N(radio->rateset.rateset[i])) {
} else if (IS_IEEE80211_RATE_N(rates[i])) {
mode |= CAPWAP_RADIO_TYPE_80211N;
}
} else if (device->currentfreq.band == WIFI_BAND_5GHZ) {
if (IS_IEEE80211_RATE_A(radio->rateset.rateset[i])) {
if (IS_IEEE80211_RATE_A(rates[i])) {
mode |= CAPWAP_RADIO_TYPE_80211A;
} else if (IS_IEEE80211_RATE_N(radio->rateset.rateset[i])) {
} else if (IS_IEEE80211_RATE_N(rates[i])) {
mode |= CAPWAP_RADIO_TYPE_80211N;
}
}
@ -330,12 +78,12 @@ static void wifi_wlan_getrates(struct wifi_device* device, struct wtp_radio* rad
if (bandcap->band == device->currentfreq.band) {
for (j = 0; j < bandcap->rate->count; j++) {
struct wifi_rate_capability* rate = (struct wifi_rate_capability*)capwap_array_get_item_pointer(bandcap->rate, j);
struct wifi_rate_capability* ratecapability = (struct wifi_rate_capability*)capwap_array_get_item_pointer(bandcap->rate, j);
/* Validate rate */
for (w = 0; w < radio->rateset.ratesetcount; w++) {
if (radio->rateset.rateset[w] == rate->bitrate) {
device_params->supportedrates[device_params->supportedratescount++] = rate->bitrate;
for (w = 0; w < ratescount; w++) {
if (rates[w] == ratecapability->bitrate) {
device_params->supportedrates[device_params->supportedratescount++] = ratecapability->bitrate;
break;
}
}
@ -372,85 +120,162 @@ static void wifi_wlan_getrates(struct wifi_device* device, struct wtp_radio* rad
}
/* */
int wifi_wlan_startap(int radioid, int wlanid, struct wifi_wlan_startap_params* params) {
struct wifi_wlan* wlan;
struct wlan_startap_params wlan_params;
int wifi_driver_init(void) {
int i;
ASSERT(radioid > 0);
ASSERT(wlanid > 0);
/* */
wlan = wifi_wlan_getdevice(radioid, wlanid);
if (!wlan || !wlan->device->instance->ops->wlan_startap) {
return -1;
for (i = 0; wifi_driver[i].ops != NULL; i++) {
/* Initialize driver */
ASSERT(wifi_driver[i].ops->global_init != NULL);
wifi_driver[i].handle = wifi_driver[i].ops->global_init();
if (!wifi_driver[i].handle) {
return -1;
}
}
/* Start AP */
memset(&wlan_params, 0, sizeof(struct wlan_startap_params));
wlan_params.ssid = params->ssid;
wlan_params.ssid_hidden = params->ssid_hidden;
wlan_params.capability = params->capability;
wlan_params.authenticationtype = params->authmode;
/* Device handler */
g_wifidevice = capwap_list_create();
return wlan->device->instance->ops->wlan_startap(wlan->handle, &wlan_params);
return 0;
}
/* */
int wifi_wlan_stopap(int radioid, int wlanid) {
struct wifi_wlan* wlan;
void wifi_driver_free(void) {
unsigned long i;
struct capwap_list_item* itemdevice;
struct capwap_list_item* itemwlan;
/* */
wlan = wifi_wlan_getdevice(radioid, wlanid);
if (!wlan->device->instance->ops->wlan_stopap) {
return -1;
}
/* Free device */
if (g_wifidevice) {
for (itemdevice = g_wifidevice->first; itemdevice != NULL; itemdevice = itemdevice->next) {
struct wifi_device* device = (struct wifi_device*)itemdevice->item;
return wlan->device->instance->ops->wlan_stopap(wlan->handle);
}
if (device->wlan) {
if (device->instance->ops->wlan_delete != NULL) {
for (itemwlan = device->wlan->first; itemwlan != NULL; itemwlan = itemwlan->next) {
struct wifi_wlan* wlan = (struct wifi_wlan*)itemwlan->item;
/* */
int wifi_wlan_getbssid(int radioid, int wlanid, uint8_t* bssid) {
struct wifi_wlan* wlan;
if (wlan->handle) {
device->instance->ops->wlan_delete(wlan->handle);
}
}
}
/* */
wlan = wifi_wlan_getdevice(radioid, wlanid);
if (!wlan->device->instance->ops->wlan_getmacaddress) {
return -1;
}
capwap_list_free(device->wlan);
}
return wlan->device->instance->ops->wlan_getmacaddress(wlan->handle, bssid);
}
/* */
void wifi_wlan_destroy(int radioid, int wlanid) {
struct wifi_wlan* wlan;
ASSERT(radioid > 0);
ASSERT(wlanid > 0);
wlan = wifi_wlan_getdevice(radioid, wlanid);
if (wlan && wlan->handle) {
if (wlan->device->instance->ops->wlan_delete) {
wlan->device->instance->ops->wlan_delete(wlan->handle);
if (device->handle && device->instance->ops->device_deinit) {
device->instance->ops->device_deinit(device->handle);
}
}
memset(wlan, 0, sizeof(struct wifi_wlan));
capwap_list_free(g_wifidevice);
}
/* Free driver */
for (i = 0; wifi_driver[i].ops != NULL; i++) {
if (wifi_driver[i].ops->global_deinit) {
wifi_driver[i].ops->global_deinit(wifi_driver[i].handle);
}
}
}
/* */
const struct wifi_capability* wifi_device_getcapability(int radioid) {
struct wifi_device* device;
int wifi_event_getfd(struct pollfd* fds, struct wifi_event* events, int count) {
int i;
int result = 0;
struct capwap_list_item* itemdevice;
struct capwap_list_item* itemwlan;
ASSERT(radioid > 0);
if ((count > 0) && (!fds || !events)) {
return -1;
}
if (g_wifidevice->count <= radioid) {
/* Get from driver */
for (i = 0; wifi_driver[i].ops != NULL; i++) {
if (wifi_driver[i].ops->global_getfdevent) {
result += wifi_driver[i].ops->global_getfdevent(wifi_driver[i].handle, (count ? &fds[result] : NULL), (count ? &events[result] : NULL));
}
}
/* Get from device */
for (itemdevice = g_wifidevice->first; itemdevice != NULL; itemdevice = itemdevice->next) {
struct wifi_device* device = (struct wifi_device*)itemdevice->item;
if (device->handle) {
if (device->instance->ops->device_getfdevent) {
result += device->instance->ops->device_getfdevent(device->handle, (count ? &fds[result] : NULL), (count ? &events[result] : NULL));
}
/* Get from wlan */
if (device->wlan && device->instance->ops->wlan_getfdevent) {
for (itemwlan = device->wlan->first; itemwlan != NULL; itemwlan = itemwlan->next) {
struct wifi_wlan* wlan = (struct wifi_wlan*)itemwlan->item;
if (wlan->handle) {
result += device->instance->ops->wlan_getfdevent(wlan->handle, (count ? &fds[result] : NULL), (count ? &events[result] : NULL));
}
}
}
}
}
return result;
}
/* */
struct wifi_device* wifi_device_connect(const char* ifname, const char* driver) {
int i;
int length;
struct wifi_device* device = NULL;
ASSERT(ifname != NULL);
ASSERT(driver != NULL);
/* Check */
length = strlen(ifname);
if ((length <= 0) || (length >= IFNAMSIZ)) {
capwap_logging_warning("Wifi device name error: %s", ifname);
return NULL;
}
/* Search driver */
for (i = 0; wifi_driver[i].ops != NULL; i++) {
if (!strcmp(driver, wifi_driver[i].ops->name)) {
wifi_device_handle devicehandle;
struct device_init_params params = {
.ifname = ifname
};
/* Device init */
ASSERT(wifi_driver[i].ops->device_init);
devicehandle = wifi_driver[i].ops->device_init(wifi_driver[i].handle, &params);
if (devicehandle) {
struct capwap_list_item* itemdevice;
/* Register new device */
itemdevice = capwap_itemlist_create(sizeof(struct wifi_device));
device = (struct wifi_device*)itemdevice->item;
device->handle = devicehandle;
device->instance = &wifi_driver[i];
device->wlan = capwap_list_create();
/* Appent to device list */
capwap_itemlist_insert_after(g_wifidevice, NULL, itemdevice);
}
break;
}
}
return device;
}
/* */
const struct wifi_capability* wifi_device_getcapability(struct wifi_device* device) {
ASSERT(device != NULL);
ASSERT(device->handle != NULL);
/* Retrieve cached capability */
device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, radioid);
if (!device->handle || !device->instance->ops->device_getcapability) {
if (!device->instance->ops->device_getcapability) {
return NULL;
}
@ -458,12 +283,13 @@ const struct wifi_capability* wifi_device_getcapability(int radioid) {
}
/* */
int wifi_device_setconfiguration(int radioid, struct device_setconfiguration_params* params) {
struct wifi_device* device;
int wifi_device_setconfiguration(struct wifi_device* device, struct device_setconfiguration_params* params) {
ASSERT(device != NULL);
ASSERT(device->handle != NULL);
ASSERT(params != NULL);
/* Get radio device */
device = wifi_device_getdevice(radioid);
if (!device || !device->handle || !device->instance->ops->device_setconfiguration) {
if (!device->instance->ops->device_setconfiguration) {
return -1;
}
@ -472,20 +298,22 @@ int wifi_device_setconfiguration(int radioid, struct device_setconfiguration_par
}
/* */
int wifi_device_setfrequency(int radioid, uint32_t band, uint32_t mode, uint8_t channel) {
int wifi_device_setfrequency(struct wifi_device* device, uint32_t band, uint32_t mode, uint8_t channel) {
int i, j;
int result = -1;
const struct wifi_capability* capability;
uint32_t frequency = 0;
ASSERT(radioid > 0);
ASSERT(device != NULL);
ASSERT(device->handle != NULL);
if (g_wifidevice->count <= radioid) {
/* Check device */
if (!device->instance->ops->device_setfrequency) {
return -1;
}
/* Capability device */
capability = wifi_device_getcapability(radioid);
capability = wifi_device_getcapability(device);
if (!capability || !(capability->flags & WIFI_CAPABILITY_RADIOTYPE) || !(capability->flags & WIFI_CAPABILITY_BANDS)) {
return -1;
}
@ -507,9 +335,6 @@ int wifi_device_setfrequency(int radioid, uint32_t band, uint32_t mode, uint8_t
/* Configure frequency */
if (frequency) {
struct wifi_device* device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, radioid);
memset(&device->currentfreq, 0, sizeof(struct wifi_frequency));
device->currentfreq.band = band;
device->currentfreq.mode = mode;
device->currentfreq.channel = channel;
@ -523,10 +348,7 @@ int wifi_device_setfrequency(int radioid, uint32_t band, uint32_t mode, uint8_t
}
/* Set frequency */
device = (struct wifi_device*)capwap_array_get_item_pointer(g_wifidevice, radioid);
if (device->handle && device->instance->ops->device_setfrequency) {
result = device->instance->ops->device_setfrequency(device->handle, &device->currentfreq);
}
result = device->instance->ops->device_setfrequency(device->handle, &device->currentfreq);
}
/* */
@ -534,23 +356,124 @@ int wifi_device_setfrequency(int radioid, uint32_t band, uint32_t mode, uint8_t
}
/* */
int wifi_device_updaterates(int radioid) {
struct wtp_radio* radio;
struct wifi_device* device;
int wifi_device_updaterates(struct wifi_device* device, uint8_t* rates, int ratescount) {
struct device_setrates_params params;
ASSERT(device != NULL);
ASSERT(device->handle != NULL);
ASSERT(rates != NULL);
ASSERT(ratescount > 0);
/* Get radio device */
device = wifi_device_getdevice(radioid);
radio = wtp_radio_get_phy(radioid);
if (!device || !radio || !device->handle || !device->instance->ops->device_setrates) {
if (!device->instance->ops->device_setrates) {
return -1;
}
/* Set rates */
wifi_wlan_getrates(device, radio, &params);
wifi_wlan_getrates(device, rates, ratescount, &params);
return device->instance->ops->device_setrates(device->handle, &params);
}
/* */
struct wifi_wlan* wifi_wlan_create(struct wifi_device* device, const char* ifname) {
int length;
struct wifi_wlan* wlan;
wifi_wlan_handle wlanhandle;
struct capwap_list_item* itemwlan;
ASSERT(device != NULL);
ASSERT(device->handle != NULL);
ASSERT(ifname != NULL);
/* Check */
length = strlen(ifname);
if ((length <= 0) || (length >= IFNAMSIZ)) {
capwap_logging_warning("Wifi device name error: %s", ifname);
return NULL;
} else if (!device->instance->ops->wlan_create) {
capwap_logging_warning("%s library don't support wlan_create", device->instance->ops->name);
return NULL;
}
/* Create interface */
wlanhandle = device->instance->ops->wlan_create(device->handle, ifname);
if (!wlanhandle) {
capwap_logging_warning("Unable to create BSS: %s", ifname);
return NULL;
}
/* Create new BSS */
itemwlan = capwap_itemlist_create(sizeof(struct wifi_wlan));
wlan = (struct wifi_wlan*)itemwlan->item;
wlan->handle = wlanhandle;
wlan->device = device;
/* Appent to wlan list */
capwap_itemlist_insert_after(device->wlan, NULL, itemwlan);
return wlan;
}
/* */
int wifi_wlan_startap(struct wifi_wlan* wlan, struct wlan_startap_params* params) {
ASSERT(wlan != NULL);
ASSERT(wlan->device != NULL);
ASSERT(params != NULL);
/* Check */
if (!wlan->device->instance->ops->wlan_startap) {
return -1;
}
/* Start AP */
return wlan->device->instance->ops->wlan_startap(wlan->handle, params);
}
/* */
void wifi_wlan_stopap(struct wifi_wlan* wlan) {
ASSERT(wlan != NULL);
ASSERT(wlan->device != NULL);
/* Stop AP */
if (wlan->device->instance->ops->wlan_stopap) {
wlan->device->instance->ops->wlan_stopap(wlan->handle);
}
}
/* */
int wifi_wlan_getbssid(struct wifi_wlan* wlan, uint8_t* bssid) {
ASSERT(wlan != NULL);
ASSERT(wlan->handle != NULL);
ASSERT(bssid != NULL);
/* */
if (!wlan->device->instance->ops->wlan_getmacaddress) {
return -1;
}
return wlan->device->instance->ops->wlan_getmacaddress(wlan->handle, bssid);
}
/* */
void wifi_wlan_destroy(struct wifi_wlan* wlan) {
struct capwap_list_item* itemwlan;
ASSERT(wlan != NULL);
ASSERT(wlan->handle != NULL);
/* */
if (wlan->device->instance->ops->wlan_delete) {
wlan->device->instance->ops->wlan_delete(wlan->handle);
}
/* Remove from wlan list of device */
for (itemwlan = wlan->device->wlan->first; itemwlan != NULL; itemwlan = itemwlan->next) {
if (wlan == (struct wifi_wlan*)itemwlan->item) {
capwap_itemlist_free(capwap_itemlist_remove(wlan->device->wlan, itemwlan));
break;
}
}
}
/* */
uint32_t wifi_iface_index(const char* ifname) {
if (!ifname || !*ifname) {
@ -560,6 +483,24 @@ uint32_t wifi_iface_index(const char* ifname) {
return if_nametoindex(ifname);
}
/* */
int wifi_iface_getstatus(int sock, const char* ifname) {
struct ifreq ifreq;
ASSERT(sock > 0);
ASSERT(ifname != NULL);
ASSERT(*ifname != 0);
/* Change link state of interface */
memset(&ifreq, 0, sizeof(ifreq));
strcpy(ifreq.ifr_name, ifname);
if (!ioctl(sock, SIOCGIFFLAGS, &ifreq)) {
return ((ifreq.ifr_flags & IFF_UP) ? 1: 0);
}
return -1;
}
/* */
int wifi_iface_updown(int sock, const char* ifname, int up) {
struct ifreq ifreq;
@ -572,9 +513,18 @@ int wifi_iface_updown(int sock, const char* ifname, int up) {
memset(&ifreq, 0, sizeof(ifreq));
strcpy(ifreq.ifr_name, ifname);
if (!ioctl(sock, SIOCGIFFLAGS, &ifreq)) {
/* Set flag */
if (up) {
if (ifreq.ifr_flags & IFF_UP) {
return 0; /* Flag is already set */
}
ifreq.ifr_flags |= IFF_UP;
} else {
if (!(ifreq.ifr_flags & IFF_UP)) {
return 0; /* Flag is already unset */
}
ifreq.ifr_flags &= ~IFF_UP;
}

View File

@ -94,22 +94,18 @@ struct device_setconfiguration_params {
uint8_t country[WIFI_COUNTRY_LENGTH];
};
/* */
struct wlan_init_params {
const char* ifname;
int type;
};
/* */
struct wlan_startap_params {
const char* ssid;
uint8_t ssid_hidden;
uint16_t capability;
uint8_t authenticationtype;
uint8_t qos;
uint8_t authmode;
uint8_t macmode;
uint8_t tunnelmode;
};
/* */
struct wlan_send_frame_params {
char* packet;
@ -204,10 +200,11 @@ struct wifi_frequency {
};
/* */
#define WIFI_EVENT_MAX_ITEMS 2
struct wifi_event {
void (*event_handler)(int fd, void* param1, void* param2);
void* param1;
void* param2;
void (*event_handler)(int fd, void** params, int paramscount);
int paramscount;
void* params[WIFI_EVENT_MAX_ITEMS];
};
/* */
@ -230,10 +227,10 @@ struct wifi_driver_ops {
void (*device_deinit)(wifi_device_handle handle);
/* WLAN functions */
wifi_wlan_handle (*wlan_create)(wifi_device_handle handle, struct wlan_init_params* params);
wifi_wlan_handle (*wlan_create)(wifi_device_handle handle, const char* ifname);
int (*wlan_getfdevent)(wifi_wlan_handle handle, struct pollfd* fds, struct wifi_event* events);
int (*wlan_startap)(wifi_wlan_handle handle, struct wlan_startap_params* params);
int (*wlan_stopap)(wifi_wlan_handle handle);
void (*wlan_stopap)(wifi_wlan_handle handle);
int (*wlan_getmacaddress)(wifi_wlan_handle handle, uint8_t* address);
void (*wlan_delete)(wifi_wlan_handle handle);
};
@ -249,7 +246,7 @@ struct wifi_device {
wifi_device_handle handle; /* Device handle */
struct wifi_driver_instance* instance; /* Driver instance */
struct capwap_array* wlan; /* Virtual AP */
struct capwap_list* wlan; /* BSS */
/* Current frequency */
struct wifi_frequency currentfreq;
@ -261,17 +258,6 @@ struct wifi_wlan {
struct wifi_device* device;
};
/* */
struct wifi_wlan_startap_params {
uint16_t capability;
uint8_t qos;
uint8_t authmode;
uint8_t macmode;
uint8_t tunnelmode;
uint8_t ssid_hidden;
char ssid[IEEE80211_IE_SSID_MAX_LENGTH + 1];
};
/* Initialize wifi driver engine */
int wifi_driver_init(void);
void wifi_driver_free(void);
@ -280,18 +266,18 @@ void wifi_driver_free(void);
int wifi_event_getfd(struct pollfd* fds, struct wifi_event* events, int count);
/* */
int wifi_device_connect(int radioid, const char* ifname, const char* driver);
const struct wifi_capability* wifi_device_getcapability(int radioid);
int wifi_device_setconfiguration(int radioid, struct device_setconfiguration_params* params);
int wifi_device_setfrequency(int radioid, uint32_t band, uint32_t mode, uint8_t channel);
int wifi_device_updaterates(int radioid);
struct wifi_device* wifi_device_connect(const char* ifname, const char* driver);
const struct wifi_capability* wifi_device_getcapability(struct wifi_device* device);
int wifi_device_setconfiguration(struct wifi_device* device, struct device_setconfiguration_params* params);
int wifi_device_setfrequency(struct wifi_device* device, uint32_t band, uint32_t mode, uint8_t channel);
int wifi_device_updaterates(struct wifi_device* device, uint8_t* rates, int ratescount);
/* */
int wifi_wlan_create(int radioid, int wlanid, const char* ifname, uint8_t* bssid);
int wifi_wlan_startap(int radioid, int wlanid, struct wifi_wlan_startap_params* params);
int wifi_wlan_stopap(int radioid, int wlanid);
int wifi_wlan_getbssid(int radioid, int wlanid, uint8_t* bssid);
void wifi_wlan_destroy(int radioid, int wlanid);
struct wifi_wlan* wifi_wlan_create(struct wifi_device* device, const char* ifname);
int wifi_wlan_startap(struct wifi_wlan* wlan, struct wlan_startap_params* params);
void wifi_wlan_stopap(struct wifi_wlan* wlan);
int wifi_wlan_getbssid(struct wifi_wlan* wlan, uint8_t* bssid);
void wifi_wlan_destroy(struct wifi_wlan* wlan);
/* Util functions */
uint32_t wifi_iface_index(const char* ifname);
@ -314,6 +300,7 @@ void wifi_aid_free(uint32_t* aidbitfield, uint16_t aid);
/* */
int wifi_retrieve_information_elements_position(struct ieee80211_ie_items* items, const uint8_t* data, int length);
int wifi_iface_getstatus(int sock, const char* ifname);
int wifi_iface_updown(int sock, const char* ifname, int up);
#define wifi_iface_up(sock, ifname) wifi_iface_updown(sock, ifname, 1)
#define wifi_iface_down(sock, ifname) wifi_iface_updown(sock, ifname, 0)

File diff suppressed because it is too large Load Diff

View File

@ -2,9 +2,10 @@
#define __WIFI_NL80211_HEADER__
#include "capwap_hash.h"
#include "netlink_link.h"
/* Compatibility functions */
#if !defined(HAVE_LIBNL20) && !defined(HAVE_LIBNL30)
#ifdef HAVE_LIBNL_10
#define nl_sock nl_handle
#endif
@ -24,19 +25,31 @@ struct nl80211_global_handle {
struct nl_sock* nl_event;
int nl_event_fd;
struct netlink* netlinkhandle;
int sock_util;
struct capwap_list* devicelist;
};
/* Device handle */
#define NL80211_DEVICE_SET_FREQUENCY 0x00000001
#define NL80211_DEVICE_SET_RATES 0x00000002
#define NL80211_DEVICE_SET_CONFIGURATION 0x00000004
#define NL80211_DEVICE_REQUIRED_FOR_BSS (NL80211_DEVICE_SET_FREQUENCY | NL80211_DEVICE_SET_RATES | NL80211_DEVICE_SET_CONFIGURATION)
struct nl80211_device_handle {
struct nl80211_global_handle* globalhandle;
uint32_t phyindex;
char phyname[IFNAMSIZ];
unsigned long flags;
/* */
struct capwap_list* wlanlist;
unsigned long wlanactive;
/* */
uint16_t beaconperiod;
@ -63,7 +76,9 @@ struct nl80211_device_handle {
};
/* WLAN handle */
#define NL80211_WLAN_SET_BEACON 0x00000001
#define NL80211_WLAN_RUNNING 0x00000001
#define NL80211_WLAN_SET_BEACON 0x00000002
#define NL80211_WLAN_OPERSTATE_RUNNING 0x00000004
struct nl80211_wlan_handle {
struct nl80211_device_handle* devicehandle;
@ -91,9 +106,13 @@ struct nl80211_wlan_handle {
/* Station information */
unsigned long stationscount;
unsigned long maxstationscount;
struct capwap_hash* stations;
uint32_t aidbitfield[WIFI_AID_BITFIELD_SIZE];
/* Scan */
unsigned long scancomplete;
};
/* Physical device info */